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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2011 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: SpringParseUtil.html 689 2013-06-28 19:22:16Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.dellroad.stuff.jibx;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import org.jibx.runtime.JiBXParseException;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import org.springframework.expression.Expression;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import org.springframework.expression.ParseException;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import org.springframework.expression.ParserContext;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import org.springframework.expression.spel.standard.SpelExpressionParser;<a name="line.14"></a>
<span class="sourceLineNo">015</span><a name="line.15"></a>
<span class="sourceLineNo">016</span>/**<a name="line.16"></a>
<span class="sourceLineNo">017</span> * JiBX parsing utility methods for Spring expressions.<a name="line.17"></a>
<span class="sourceLineNo">018</span> */<a name="line.18"></a>
<span class="sourceLineNo">019</span>public final class SpringParseUtil {<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>    private SpringParseUtil() {<a name="line.21"></a>
<span class="sourceLineNo">022</span>    }<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>    /**<a name="line.24"></a>
<span class="sourceLineNo">025</span>     * Deserialize a Spring {@link Expression}.<a name="line.25"></a>
<span class="sourceLineNo">026</span>     *<a name="line.26"></a>
<span class="sourceLineNo">027</span>     * @see #serializeExpression<a name="line.27"></a>
<span class="sourceLineNo">028</span>     */<a name="line.28"></a>
<span class="sourceLineNo">029</span>    public static Expression deserializeExpression(String string) throws JiBXParseException {<a name="line.29"></a>
<span class="sourceLineNo">030</span>        return SpringParseUtil.deserializeExpression(string, null);<a name="line.30"></a>
<span class="sourceLineNo">031</span>    }<a name="line.31"></a>
<span class="sourceLineNo">032</span><a name="line.32"></a>
<span class="sourceLineNo">033</span>    /**<a name="line.33"></a>
<span class="sourceLineNo">034</span>     * Deserialize a Spring {@link Expression} as a template expression. Equivalent to<a name="line.34"></a>
<span class="sourceLineNo">035</span>     *  &lt;blockquote&gt;&lt;code&gt;<a name="line.35"></a>
<span class="sourceLineNo">036</span>     *  deserializeExpression(string, ParserContext.TEMPLATE_EXPRESSION);<a name="line.36"></a>
<span class="sourceLineNo">037</span>     *  &lt;code&gt;&lt;blockquote&gt;<a name="line.37"></a>
<span class="sourceLineNo">038</span>     *<a name="line.38"></a>
<span class="sourceLineNo">039</span>     * @see #serializeExpression<a name="line.39"></a>
<span class="sourceLineNo">040</span>     * @see #deserializeExpression(String, ParserContext)<a name="line.40"></a>
<span class="sourceLineNo">041</span>     */<a name="line.41"></a>
<span class="sourceLineNo">042</span>    public static Expression deserializeTemplateExpression(String string) throws JiBXParseException {<a name="line.42"></a>
<span class="sourceLineNo">043</span>        return SpringParseUtil.deserializeExpression(string, ParserContext.TEMPLATE_EXPRESSION);<a name="line.43"></a>
<span class="sourceLineNo">044</span>    }<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>    /**<a name="line.46"></a>
<span class="sourceLineNo">047</span>     * Deserialize a Spring {@link Expression} using the supplied {@link ParserContext}.<a name="line.47"></a>
<span class="sourceLineNo">048</span>     *<a name="line.48"></a>
<span class="sourceLineNo">049</span>     * @see #serializeExpression<a name="line.49"></a>
<span class="sourceLineNo">050</span>     */<a name="line.50"></a>
<span class="sourceLineNo">051</span>    public static Expression deserializeExpression(String string, ParserContext context) throws JiBXParseException {<a name="line.51"></a>
<span class="sourceLineNo">052</span>        SpelExpressionParser parser = new SpelExpressionParser();<a name="line.52"></a>
<span class="sourceLineNo">053</span>        try {<a name="line.53"></a>
<span class="sourceLineNo">054</span>            return parser.parseExpression(string, context);<a name="line.54"></a>
<span class="sourceLineNo">055</span>        } catch (ParseException e) {<a name="line.55"></a>
<span class="sourceLineNo">056</span>            throw new JiBXParseException("invalid Spring EL expression", string, e);<a name="line.56"></a>
<span class="sourceLineNo">057</span>        }<a name="line.57"></a>
<span class="sourceLineNo">058</span>    }<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span>    /**<a name="line.60"></a>
<span class="sourceLineNo">061</span>     * Serialize a Spring {@link Expression}.<a name="line.61"></a>
<span class="sourceLineNo">062</span>     *<a name="line.62"></a>
<span class="sourceLineNo">063</span>     * @see #deserializeExpression<a name="line.63"></a>
<span class="sourceLineNo">064</span>     */<a name="line.64"></a>
<span class="sourceLineNo">065</span>    public static String serializeExpression(Expression expr) {<a name="line.65"></a>
<span class="sourceLineNo">066</span>        return expr.getExpressionString();<a name="line.66"></a>
<span class="sourceLineNo">067</span>    }<a name="line.67"></a>
<span class="sourceLineNo">068</span>}<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>




























































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